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  <!-- 标题 -->
  <title>比特论坛 - 用户登录</title>
  <!-- 导入CSS -->
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  <link rel="stylesheet" href="./dist/css/jquery.toast.css">
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      body {
      	font-feature-settings: "cv03", "cv04", "cv11";
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</head>

<body class="d-flex flex-column">
  <!-- 正文 -->
  <div class="page page-center">
    <div class="container container-normal py-4">
      <div class="row align-items-center g-4">
        <div class="col-lg">
          <div class="container-tight">
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              <img src="./image/bit-forum-logo01.png" height="50" alt="">
            </div>
            <div class="card card-md">
              <div class="card-body">
                <h2 class="text-center mb-4">用户登录</h2>
                <form id="signInForm" method="get" autocomplete="off" novalidate>
                  <div class="mb-3">
                    <label class="form-label required">用户名</label>
                    <input type="text" class="form-control" placeholder="请输入用户名" autocomplete="off" name="username"
                      id="username">
                    <div class="invalid-feedback">用户名不能为空</div>
                  </div>
                  <div class="mb-2">
                    <label class="form-label required">
                      密码
                      <!-- <span class="form-label-description">
                            <a href="#">忘记密码</a>
                          </span> -->
                    </label>
                    <div class="input-group input-group-flat">
                      <input type="password" class="form-control" placeholder="请输入密码" autocomplete="off" name="password"
                        id="password">
                      <span class="input-group-text">
                        <a href="javascript:void(0);" id="password_a" class="link-secondary" title="显示密码"
                          data-bs-toggle="tooltip"><!-- Download SVG icon from http://tabler-icons.io/i/eye -->
                          <svg xmlns="http://www.w3.org/2000/svg" class="icon" width="24" height="24"
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                          </svg>
                        </a>
                      </span>
                      <div class="invalid-feedback">密码不能为空</div>
                    </div>
                  </div>
                  <!-- <div class="mb-2">
                        <label class="form-check">
                          <input type="checkbox" class="form-check-input"/>
                          <span class="form-check-label">记住我</span>
                        </label>
                      </div> -->
                  <div class="form-footer">
                    <button id="submit" type="button" class="btn btn-primary w-100">登录</button>
                  </div>
                </form>
              </div>
            </div>
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              还没有注册吗? <a href="./sign-up.html" tabindex="-1">点击注册</a>
            </div>
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        <div class="col-lg d-none d-lg-block">
          <img src="./dist/illustrations/undraw_joyride_hnno.svg" height="300" class="d-block mx-auto" alt="">
        </div>
      </div>
    </div>
  </div>
</body>
<!-- 导入JS -->
<script src="./dist/js/jquery-3.6.3.min.js"></script>
<script src="./dist/js/tabler.min.js"></script>
<script src="./dist/js/jquery.toast.js"></script>
<script>
  $(function () {
    // 获取控件
    // 用户名
    let usernameEl = $('#username');
    let passwordEl = $('#password');
    // 登录校验
    $('#submit').click(function () {
      let checkForm = true;
      // 校验用户名
      if (!usernameEl.val()) {
        usernameEl.addClass('is-invalid');
        checkForm = false;
      }
      // 校验密码
      if (!passwordEl.val()) {
        passwordEl.addClass('is-invalid');
        checkForm = false;
      }

      // 根据判断结果提交表单
      if (!checkForm) {
        return false;
      }

      // 构造数据
      let postData = {
        username: usernameEl.val(),
        password: passwordEl.val()
      };

      // 发送AJAX请求，成功后跳转到index.html
      $.ajax({
        type: 'post',
        url: 'user/login',
        contentType: 'application/x-www-form-urlencoded',
        data: postData,
        success: function (respData) {
          if (respData.code == 0) {
            location.assign('/index.html');
          } else {
            //提示信息
            $.toast({
              heading: '警告',
              text: respData.message,
              icon: 'warning'
            });
          }
        },
        error: function () {
          $.toast({
            heading: '错误',
            text: '访问出现问题，请与管理员联系。',
            icon: 'error'
          });
        }

        //   type: 'post',
        //   url : 'user/login',
        //   contentType : 'application/x-www-form-urlencoded',
        //   data : postData,
        //   success : function (respData) {
        //     if (respData.code == 0) {
        //       location.assign('/index.html');
        //     } else {
        //       // 提示信息
        //       $.toast({
        //           heading: '警告',
        //           text: respData.message,
        //           icon: 'warning'
        //       });
        //     }
        //   },
        //   error : function () {
        //     // 提示信息
        //     $.toast({
        //         heading: '错误',
        //         text: '访问出现问题，请与管理员联系.',
        //         icon: 'error'
        //     });
        //   }
        // });
      });
    });
    //
    // 表单元单独检验
    $('#username, #password').on('blur', function () {
      if ($(this).val()) {
        $(this).removeClass('is-invalid');
        $(this).addClass('is-valid');
      } else {
        $(this).removeClass('is-valid');
        $(this).addClass('is-invalid');
      }
    });

    // 显示密码
    $('#password_a').click(function () {
      if (passwordEl.attr('type') == 'password') {
        passwordEl.attr('type', 'text');
      } else {
        passwordEl.attr('type', 'password');
      }
    });
  });
</script>

</html>